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September 2000

DesignerCouncil@IPC.ORG
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Subject:
Recommendations? 1mm BGA vias,2 between traces
From:
Mitch Morey <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Mon, 18 Sep 2000 11:17:13 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (15 lines) 
Hi all,

I'm looking for some help. I've got some 1mm BGAs on my board, and I
need to get two between routing on the inner layers without going to
uVias. I'm currently trying with .012" FHS vias, but they don't do two
between. The board is .070" thick and I can go to an 8/1 aspect ratio.
Give me your best shots...

TIA.

Mitch
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